WO2023000446A1 - Diviseur de fréquence, procédé de commande pour diviseur de fréquence, dispositif, et support de stockage - Google Patents

Diviseur de fréquence, procédé de commande pour diviseur de fréquence, dispositif, et support de stockage Download PDF

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Publication number
WO2023000446A1
WO2023000446A1 PCT/CN2021/116257 CN2021116257W WO2023000446A1 WO 2023000446 A1 WO2023000446 A1 WO 2023000446A1 CN 2021116257 W CN2021116257 W CN 2021116257W WO 2023000446 A1 WO2023000446 A1 WO 2023000446A1
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WIPO (PCT)
Prior art keywords
transceiver
switch unit
unit
frequency
signal
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PCT/CN2021/116257
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English (en)
Chinese (zh)
Inventor
何文卿
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上海闻泰信息技术有限公司
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Publication of WO2023000446A1 publication Critical patent/WO2023000446A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/401—Circuits for selecting or indicating operating mode

Definitions

  • the present disclosure relates to a frequency divider, a method for controlling the frequency divider, a device and a storage medium.
  • CA Carrier Aggregation
  • the high-frequency filter circuit and the low-frequency filter circuit are connected in parallel, the low-frequency filter circuit passes the low frequency to filter the high frequency, and the high-frequency filter circuit passes the high frequency to filter the low frequency, so that the high-frequency signal and the low-frequency signal can be sent and received at the same time.
  • the filter circuit when the filter circuit is used to divide the frequency bands of the high-frequency signal and the low-frequency signal, when the frequency band interval between the high-frequency signal and the low-frequency signal is too small, for example, when the frequency band of the high-frequency signal covers part of the frequency band of the low-frequency signal, that is, part of the high-frequency signal
  • the signal passes through the low-frequency filter circuit or part of the low-frequency signal passes through the high-frequency filter circuit, it will cause problems such as signal loss, poor signal isolation, and signal impedance mismatch.
  • a frequency divider a method for controlling the frequency divider, a device, and a storage medium are provided.
  • a frequency divider comprising: an antenna, a first switch unit, a second switch unit, a third switch unit, a first filter unit, a second filter unit, a power divider, a first duplexer, a filter, and a transceiver ; the first end of the first switch unit, the first end of the second switch unit and the first end of the third switch unit are respectively electrically connected to the antenna, and the second end of the first switch unit end is electrically connected to the first end of the transceiver through the first filter unit, and the second end of the second switch unit is electrically connected to the second end of the transceiver through the second filter unit, so
  • the second end of the third switch unit is electrically connected to the first end of the power divider, and the second end of the power divider is electrically connected to the third end of the transceiver through the first duplexer , the third end of the power divider is electrically connected to the fourth end of the transceiver through the filter; when the frequency band of the signal received or transmitted by the
  • the frequency divider further includes a control unit, the first terminal of the control unit is electrically connected to the fifth terminal of the transceiver, and the second terminal of the control unit Terminals are respectively electrically connected to the first switch unit, the second switch unit and the third switch unit; the frequency band of the signal received or transmitted by the transceiver received by the control unit is within the first preset frequency range , the control unit outputs a first control signal, the first switch unit and the second switch unit are turned on, and the third switch unit is turned off; the control unit receives the signal received or transmitted by the transceiver When the frequency band of the signal is within the second preset frequency range, the control unit outputs a second control signal, the third switch unit is turned on, and the first switch unit and the second switch unit are turned off.
  • the first end of the transceiver includes a first receiving end and a first transmitting end
  • the second end of the transceiver includes a second receiving end and a second transmitting end
  • the third end of the transceiver includes a third receiving end and a third transmitting end
  • the fourth end of the transceiver includes a fourth receiving end and a fourth transmitting end
  • the frequency divider also includes an amplifier, a second A duplexer and a third duplexer
  • the first end of the second duplexer is electrically connected to the second end of the first filtering unit, and the second end of the second duplexer is connected to the transceiver
  • the first receiving end of the duplexer is electrically connected
  • the third end of the second duplexer is electrically connected to the first transmitting end of the transceiver through the amplifier
  • the first end of the third duplexer is electrically connected to the first end of the transceiver.
  • the second end of the second filter unit is electrically connected, the second end of the third duplexer is electrically connected to the second receiving end of the transceiver, and the third end of the third duplexer passes through the
  • the amplifier is electrically connected to the second transmitting end of the transceiver; the first end of the first duplexer is electrically connected to the second end of the power divider, and the second end of the first duplexer is electrically connected to the second end of the power divider.
  • the third receiving end of the transceiver is electrically connected, the third end of the first duplexer is electrically connected to the third transmitting end of the transceiver through the amplifier; the first end of the filter is connected to the The third end of the power divider is electrically connected, and the second end of the filter is electrically connected to the fourth receiving end of the transceiver and the fourth transmitting end of the transceiver through the amplifier.
  • the first filter unit includes a first inductor, a second inductor, and a first capacitor; the first end of the first inductor is connected to the first end of the first switch unit The two ends are electrically connected, the second end of the first inductance is electrically connected to the first end of the second inductance and the first end of the second duplexer, and the second end of the second inductance is electrically connected to the first end of the second duplexer.
  • the first end of the first capacitor is electrically connected, and the second end of the first capacitor is grounded;
  • the second filtering unit includes a second capacitor, a third inductor, and a third capacitor; the first end of the second capacitor terminal is electrically connected to the second terminal of the second switch unit, and the second terminal of the second capacitor is electrically connected to the first terminal of the third inductor and the first terminal of the third duplexer respectively,
  • the second end of the third inductor is electrically connected to the first end of the third capacitor, and the second end of the third capacitor is grounded.
  • the power divider is a one-to-two power divider.
  • An embodiment of the present disclosure also provides a control method for a frequency divider, the frequency divider includes an antenna, a first switch unit, a second switch unit, a third switch unit, a first filter unit, a second filter unit, a power divider device, a first duplexer, a filter and a transceiver, the control method includes: obtaining the frequency band of the signal received or transmitted by the transceiver; the frequency band of the signal received or transmitted by the transceiver is located in the first preset When within the frequency range, the first switch unit and the second switch unit are controlled to be turned on, the third switch unit is turned off, and the signal received or transmitted by the transceiver passes through the first filter unit and the The second filter unit performs frequency division; when the frequency band of the signal received or transmitted by the transceiver is within the second preset frequency range, control the third switch unit to conduct, and the first switch unit and the first switch unit The second switch unit is turned off, and the signal received or transmitted by the transceiver is frequency-divide
  • after acquiring the frequency band of the signal received or transmitted by the transceiver further includes: outputting a first control signal or Second control signal.
  • the first switch unit and the second switch unit when the frequency band of the signal received or transmitted by the transceiver is within a first preset frequency range, controlling the first switch unit and the second switch The unit is turned on, the third switch unit is turned off, and the signal received or transmitted by the transceiver is frequency-divided by the first filter unit and the second filter unit, including: receiving or transmitting at the transceiver
  • the first switch unit and the second switch unit are controlled to be turned on according to the first control signal
  • the third switch unit is turned off, and the transceiver
  • the signal received or transmitted by the receiver is frequency-divided by the first filtering unit and the second filtering unit.
  • the third switch unit when the frequency band of the signal received or transmitted by the transceiver is within the second preset frequency range, the third switch unit is controlled to be turned on, and the first A switch unit and the second switch unit are turned off, and the signal received or transmitted by the transceiver is frequency-divided by the power divider, including: the frequency band of the signal received or transmitted by the transceiver is located in the second preset When the frequency range is set, the third switch unit is controlled to be turned on according to the second control signal, the first switch unit and the second switch unit are turned off, and the signal received or transmitted by the transceiver passes through the The power divider is used for frequency division.
  • the frequency division of the signal received or transmitted by the transceiver through the power divider includes: after the signal received or transmitted by the transceiver passes through the power divider Respectively output the first signal to the first duplexer and the second signal to the filter, and perform frequency division by the first duplexer and the filter, wherein the first signal and the second signal same energy.
  • An embodiment of the present disclosure also provides a computer device, including a memory and one or more processors, the memory is configured as a module storing computer-readable instructions; when the computer-readable instructions are executed by the processor, the The one or more processors execute the steps of the method provided in any one embodiment of the present disclosure.
  • Embodiments of the present disclosure also provide one or more non-volatile storage media storing computer-readable instructions.
  • the computer-readable instructions are executed by one or more processors, the one or more processors execute any one of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a frequency divider provided by one or more embodiments of the present disclosure
  • FIG. 2 is a schematic structural diagram of another frequency divider provided by one or more embodiments of the present disclosure.
  • Fig. 3 is a schematic structural diagram of another frequency divider provided by one or more embodiments of the present disclosure.
  • Fig. 4 is a schematic flowchart of a method for controlling a frequency divider provided by one or more embodiments of the present disclosure
  • Fig. 5 is a schematic flowchart of another method for controlling a frequency divider provided by one or more embodiments of the present disclosure
  • Fig. 6 is a schematic flowchart of another method for controlling a frequency divider provided by one or more embodiments of the present disclosure
  • FIG. 7 is an internal structural diagram of a computer device in one or more embodiments of the present disclosure.
  • the first A duplexer; 90 a filter; 100, a transceiver; 110, a control unit; R1, a first receiving end; R2, a second receiving end; R3, a third receiving end; R4, a fourth receiving end; TX1, The first transmitter; TX2, the second transmitter; TX3, the third transmitter, TX4, the fourth transmitter; L1, the first inductor; L2, the second inductor; L3, the third inductor; C1, the first capacitor; C2, the second capacitor; C3, the third capacitor; 120, the amplifier; 130, the second duplexer; 140, the third duplexer.
  • first and second and the like in the specification and claims of the present disclosure are used to distinguish different objects, rather than to describe a specific order of objects.
  • first camera and the second camera are used to distinguish different cameras, not to describe a specific order of the cameras.
  • words such as “exemplary” or “for example” are used as examples, illustrations or illustrations. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the present disclosure shall not be construed as being preferred or advantageous over other embodiments or designs. To be precise, the use of words such as “exemplary” or “for example” is intended to present related concepts in a specific manner. In addition, in the description of the embodiments of the present disclosure, unless otherwise specified, the meaning of "plurality” refers to two one or more.
  • FIG. 1 is a schematic structural diagram of a frequency divider provided by an embodiment of the present disclosure.
  • the frequency divider includes: an antenna 10, a first switch unit 20, a second switch unit 30, a third switch unit 40, The first filtering unit 50 , the second filtering unit 60 , the power splitter 70 , the first duplexer 80 , the filter 90 and the transceiver 100 .
  • the first end of the first switch unit 20, the first end of the second switch unit 30 and the first end of the third switch unit 40 are respectively electrically connected to the antenna 10, and the second end of the first switch unit 20 passes through the first filtering unit 50 is electrically connected to the first end of the transceiver 100, the second end of the second switch unit 30 is electrically connected to the first end of the transceiver 100 through the second filtering unit 60, and the second end of the third switch unit 40 is connected to the power divider
  • the first end of the filter 70 is electrically connected, the second end of the first filtering unit 50 is electrically connected to the first end of the transceiver 100, and the second end of the second filtering unit 60 is electrically connected to the second end of the transceiver 100.
  • the second end of the splitter 70 is electrically connected to the third end of the transceiver 100 through the first duplexer 80 , and the third end of the power splitter 70 is electrically connected to the fourth end of the transceiver 100 through the filter 90 .
  • the first switch unit 20 and the second switch unit 30 are turned on, the third switch unit 40 is turned off, and the signal received or transmitted by the transceiver 100 frequency division by the first filtering unit 50 and the second filtering unit 60;
  • the third switch unit 40 When the frequency band of the signal received or transmitted by the transceiver 100 is within the second preset frequency range, the third switch unit 40 is turned on, the first switch unit 20 and the second switch unit 30 are turned off, and the signal received or transmitted by the transceiver 100
  • the frequency division is performed by a power divider 70 .
  • CA Carrier Aggregation
  • CA Carrier Aggregation
  • the high-frequency signal and the low-frequency signal are separated through the filter, and the high-frequency signal and the low-frequency signal are sent simultaneously. and receive.
  • filters are used to divide the frequency bands of high-frequency signals and low-frequency signals, when the frequency band interval between high-frequency signals and low-frequency signals is too small, for example, when the high-frequency signal frequency band covers part of the low-frequency signal frequency band, that is, part of the high-frequency signal passes through the low-frequency signal.
  • the embodiment of the present disclosure provides a frequency divider.
  • the frequency divider includes a first switch unit 20, a second switch unit 30, a third switch unit 40, a first filter unit 50, a second filter unit 60, a power divider 70, a first duplexer 80.
  • the filter 90 and the transceiver 100 when the frequency band of the signal received or transmitted by the transceiver 100 is within the first preset frequency range, wherein the first preset frequency range is 600MHz-960MHz and 2300MHz-2690MHz, control the first The switch unit 20 and the second switch unit 30 are turned on, the third switch unit 40 is turned off, and the signal received or transmitted by the transceiver 100 is frequency-divided by the first filter unit 50 and the second filter unit 60 .
  • the first end of the transceiver 100 receives the signal passing through the antenna 10, the first switch unit 20 and the first filter unit 50, and the transceiver The second end of 100 receives the signal passing through the antenna 10, the second switch unit 30 and the second filtering unit 60; when the signal transmitted by the transceiver 100 is a signal within the first preset frequency range, the first end of the transceiver 100 Signals are transmitted through the first filter unit 50 , the first switch unit 20 and the antenna 10 , and the second end of the transceiver 100 transmits signals through the second filter unit 60 , the second switch unit 30 and the antenna 10 .
  • the first switch unit 20 and the second switch unit 30 are controlled to be turned off, and the third The switch unit 40 is turned on, and the signal received or transmitted by the transceiver 100 passes through the power divider 70 to output a signal of equal energy division to the first duplexer 80 and the filter 90, and the first duplexer 80 and the filter 90 are used to divide the signal located at Signals within the second preset frequency range are frequency-divided.
  • the transceiver 100 when the signal received by the transceiver 100 is a signal within the second preset frequency range, the transceiver 100 receives a 80 signal, the fourth end of the transceiver 100 receives the signal passing through the antenna 10, the third switch unit 40, the third end of the power divider 70 and the filter 90; when the signal transmitted by the transceiver 100 is the second preset frequency band
  • the third end of the transceiver 100 transmits a signal through the first duplexer 80, the second end of the power divider 70, the third switch unit 40 and the antenna 10, and the fourth end of the transceiver 100 passes through the filter 90, the third terminal of the power divider 70, the third switch unit 40 and the antenna 10 transmit signals.
  • the power divider 70 in the frequency divider divides the energy of the signal within the second preset frequency range equally and filters it through the first duplexer 80 and the filter 90, the signal within the second preset frequency range is realized.
  • the frequency division of the signal is to use the power divider 70, the first duplexer 80 and the filter 90 to divide the frequency of the intermediate frequency signal between the high frequency signal and the low frequency signal, so that the signal located in the intermediate frequency band directly passes through the power
  • the splitter 70, the first duplexer 80 and the filter 90 perform filtering to avoid the occurrence of some high-frequency signals passing through the low-frequency signal path or part of the low-frequency signal passing through the high-frequency path when the high-frequency signal frequency band covers a part of the low-frequency signal frequency band. Large signal loss, poor signal isolation, and signal impedance mismatch.
  • the frequency divider provided by the embodiment of the present disclosure, by setting the frequency divider to include a first switch unit, a second switch unit, a third switch unit, a power divider, a first duplexer and a filter, when the transceiver receives or transmits
  • the first switch unit and the second switch unit are controlled to be turned on, the third switch unit is turned off, and the signal received or transmitted by the transceiver passes through the first filter unit and the second filter unit.
  • the filter unit performs frequency division, and when the frequency band of the signal received or transmitted by the transceiver is within the second preset frequency range, the third switch unit is controlled to be turned on, the first switch unit and the second switch unit are turned off, and the transceiver receives or transmits
  • the signal is frequency-divided by the power divider, so that when the signal is in the first preset frequency range, the first filter unit and the second filter unit are used to divide the frequency of the high-frequency band signal and the low-frequency band signal, and when the signal is in the second
  • the power divider, the first duplexer and the filter are used to divide the frequency of the signal located in the intermediate frequency band, thereby reducing signal loss and improving signal isolation.
  • FIG. 2 is a schematic structural diagram of another frequency divider provided by an embodiment of the present disclosure.
  • the frequency divider further includes a control unit 110, and the control unit 110 The first end is electrically connected to the fifth end of the frequency divider, and the second end of the control unit 110 is electrically connected to the first switch unit 20 , the second switch unit 30 and the third switch unit 40 respectively.
  • the control unit 110 outputs the first control signal, the first switch unit 20 and the second switch unit 30 are turned on, the third switch unit 40 is turned off, the control unit 110 outputs the second control signal, the third switch unit 40 is turned on, the first The switch unit 20 and the second switch unit 30 are turned off.
  • the control unit 110 obtains the frequency band of the signal received or transmitted by the frequency divider through the first terminal, and when the control unit 110 acquires that the frequency band of the signal received or transmitted by the frequency divider is within the first preset frequency range, The control unit 110 outputs a first control signal to control the first switch unit 20 and the second switch unit 30 to turn on, and the third switch unit 40 to turn off.
  • the transceiver 100 passes through the antenna 10, the first switch unit 20 and the first filter
  • the unit 50 receives or transmits signals and receives or transmits signals through the antenna 10, the second switch unit 30 and the second filter unit 60, that is, receives or transmits low-frequency signals through the antenna 10, the first switch unit 20 and the first filter unit 50, High-frequency signals are received or transmitted through the antenna 10 , the second switch unit 30 and the second filter unit 60 .
  • the control unit 110 receives that the frequency band of the signal received or transmitted by the frequency divider is within the second preset frequency range, the control unit 110 outputs a second control signal to control the first switch unit 20 and the second switch unit 30 to turn off, and the third The switch unit 40 is turned on.
  • the transceiver 100 receives or transmits signals through the antenna 10, the third switch unit 40, the second end of the power divider 70 and the first duplexer 80, and passes through the antenna 10, the third switch unit 40.
  • the third end of the power splitter 70 and the filter 90 receive or transmit signals.
  • FIG. 3 is a schematic structural diagram of another frequency divider provided by an embodiment of the present disclosure.
  • the first end of the transceiver 100 includes a first receiving end R1 and the first transmitting end TX1
  • the second end of the transceiver 100 includes the second receiving end R2 and the second transmitting end TX2
  • the third end of the transceiver 100 includes the third receiving end R3 and the third transmitting end
  • the fourth end includes a fourth receiving end R4 and a fourth transmitting end TX4
  • the frequency divider also includes an amplifier 120, a second duplexer 130 and a third duplexer 140;
  • the first end of the second duplexer 130 is electrically connected to the second end of the first filter unit 50, the second end of the second duplexer 130 is electrically connected to the first receiving end R1 of the transceiver 100, and the second duplexer
  • the third terminal of the device 130 is electrically connected to the first transmitting terminal TX1 of the transceiver 100 through the amplifier 120;
  • the first end of the third duplexer 140 is electrically connected to the second end of the second filter unit 60, the second end of the third duplexer 140 is electrically connected to the second receiving end R2 of the transceiver 100, and the third duplexer
  • the third terminal of the device 140 is electrically connected to the second transmitting terminal TX2 of the transceiver 100 through the amplifier 120;
  • the first end of the first duplexer 80 is electrically connected to the second end of the power divider 70, the second end of the first duplexer 80 is electrically connected to the third receiving end R3 of the transceiver 100, and the first duplexer
  • the third terminal of 80 is electrically connected to the third transmitting terminal TX3 of the transceiver 100 through the amplifier 120;
  • the first end of the filter 90 is electrically connected to the third end of the power divider 70, and the second end of the filter 90 is respectively connected to the fourth receiving end R4 of the transceiver 100 and the fourth transmitting end of the transceiver 100 through the amplifier 120 TX electrical connection.
  • the first switch unit 20 and the second switch unit 30 are controlled to be turned on, the third switch unit 40 is turned off, and the transceiver
  • the signal received or transmitted by the converter 100 is frequency-divided by the first filtering unit 50 and the second filtering unit 60 .
  • the first receiving end R1 of the transceiver 100 receives the signal through the antenna 10, the first switching unit 20, the first filtering unit 50 and the second The signal of the second end of the duplexer 130, the second receiving end R2 of the transceiver 100 receives the signal passing through the second end of the antenna 10, the second switch unit 30, the second filtering unit 60 and the third duplexer 140;
  • the signal transmitted by the transceiver 100 is a signal within the first preset frequency range
  • the first transmitting end TX1 of the transceiver 100 passes through the amplifier 120, the third end of the second duplexer 130, the first filtering unit 50, and the first switch
  • the unit 20 and the antenna 10 transmit signals
  • the second transmitting terminal TX2 of the transceiver 100 transmits signals through the amplifier 120 , the third terminal of the third duplexer 140 , the second filtering unit 60 , the second switching unit 30 and the antenna 10 .
  • the first switch unit 20 and the second switch unit 30 are controlled to be turned off, the third switch unit 40 is turned on, and the signal received or transmitted by the transceiver 100
  • the signal passes through the power divider 70 and outputs the signal with equal energy division to the first duplexer 80 and the filter 90, and the first duplexer 80 and the filter 90 divide the frequency of the signal within the second preset frequency range.
  • the third receiving end R3 of the transceiver 100 receives and the signal at the second end of the first duplexer 80
  • the fourth receiving end R4 of the transceiver 100 receives the signal passing through the third end of the antenna 10, the third switch unit 40, the third end of the power divider 70 and the second end of the filter 90
  • the third transmitting end of the transceiver 100 passes through the amplifier 120, the third end of the first duplexer 80, the second end of the power divider 70 end, the third switch unit 40 and the antenna 10 transmit signals
  • the fourth transmit end TX4 of the transceiver 100 passes through the amplifier 120, the second end of the filter 90, the third end of the power divider 70, the third switch unit 40 and the antenna 10 transmit signal.
  • the first filter unit 50 includes a first inductor L1, a second inductor L2, and a first capacitor C1, and the first end of the first inductor L1 is electrically connected to the second end of the first switch unit 20.
  • the second end of the first inductor L1 is electrically connected to the first end of the second inductor L2 and the first end of the second duplexer 130 respectively
  • the second end of the second inductor L2 is electrically connected to the first end of the first capacitor C1 electrically connected, and the second end of the first capacitor C1 is grounded.
  • the second filter unit 60 includes a second capacitor C2, a third inductor L3, and a third capacitor C3, the first end of the second capacitor C2 is electrically connected to the second end of the second switch unit 30, and the second end of the second capacitor C2 respectively electrically connected to the first end of the third inductance L3 and the first end of the third duplexer 140, the second end of the third inductance L3 is electrically connected to the first end of the third capacitor C3, and the first end of the third capacitor C3 Both ends are grounded.
  • the first filter unit 50 is a low-pass filter 90, which passes low frequencies and filters high frequency.
  • the second filter unit 60 includes a second capacitor C2, a third inductor L3, and a third capacitor C3, that is, the second filter unit 60 is a high-pass filter 90, which passes high frequencies and filters low frequencies, so that when the transceiver 100 receives or transmits signals When the frequency band is within the first preset frequency range, the signal received or transmitted by the transceiver 100 is frequency-divided by the first filtering unit 50 and the second filtering unit 60 .
  • the power divider 70 is a one-to-two power divider.
  • the power divider 70 is a one-to-two power divider, and when the frequency band of the signal received or transmitted by the transceiver 100 is within the second preset frequency range, the first switch unit 20 and the second switch unit 30 are controlled is turned off, the third switch unit 40 is turned on, and the signal received or transmitted by the transceiver 100 passes through the power divider 70 to output a signal of equal energy division to the first duplexer 80 and filter 90, using the power divider 70, the first The duplexer 80 and the filter 90 divide the frequency of the intermediate frequency signal between the high frequency signal and the low frequency signal, so as to avoid the large signal loss and poor signal isolation caused by the frequency band of the high frequency signal covering part of the frequency band of the low frequency signal And problems such as signal impedance mismatch.
  • FIG. 4 is a schematic flowchart of a control method for a frequency divider provided by an embodiment of the present disclosure. As shown in FIG. 4 , the control method includes:
  • the frequency divider includes an antenna 10, a first switch unit 20, a second switch unit 30, a third switch unit 40, a first filter unit 50, a second filter unit 60, a power divider 70, a first duplex 80, filter 90 and transceiver 100.
  • the frequency divider is working, the frequency band of the signal received or transmitted by the transceiver 100 in the frequency divider is obtained.
  • the frequency band of the signal received or transmitted by the transceiver 100 in the frequency divider After obtaining the frequency band of the signal received or transmitted by the transceiver 100 in the frequency divider, if the frequency band of the signal received or transmitted by the transceiver 100 is within the first preset frequency range, control the first switch unit 20 and the second switch unit 30 is turned on, the third switch unit 40 is turned off, and the signal received or transmitted by the transceiver 100 is frequency-divided by the first filter unit 50 and the second filter unit 60 .
  • the first end of the transceiver 100 receives the signal passing through the antenna 10, the first switch unit 20 and the first filter unit 50, and the transceiver The second end of 100 receives the signal passing through the antenna 10, the second switch unit 30 and the second filtering unit 60; when the signal transmitted by the transceiver 100 is a signal within the first preset frequency range, the first end of the transceiver 100 Signals are transmitted through the first filter unit 50 , the first switch unit 20 and the antenna 10 , and the second end of the transceiver 100 transmits signals through the second filter unit 60 , the second switch unit 30 and the antenna 10 .
  • the frequency band of the signal received or transmitted by the transceiver 100 in the frequency divider After obtaining the frequency band of the signal received or transmitted by the transceiver 100 in the frequency divider, if the frequency band of the signal received or transmitted by the transceiver 100 is within the second preset frequency range, control the first switch unit 20 and the second switch unit 30 is turned off, the third switch unit 40 is turned on, and the signal received or transmitted by the transceiver 100 passes through the power splitter 70 to output a signal of equal energy division to the first duplexer 80 and the filter 90, using the first duplexer 80 The sum filter 90 divides the frequency of the signal within the second preset frequency range.
  • the transceiver 100 when the signal received by the transceiver 100 is a signal within the second preset frequency range, the transceiver 100 receives a 80 signal, the fourth end of the transceiver 100 receives the signal passing through the antenna 10, the third switch unit 40, the third end of the power divider 70 and the filter 90; when the signal transmitted by the transceiver 100 is the second preset frequency band
  • the third end of the transceiver 100 transmits a signal through the first duplexer 80, the second end of the power divider 70, the third switch unit 40 and the antenna 10, and the fourth end of the transceiver 100 passes through the filter 90, the third terminal of the power divider 70, the third switch unit 40 and the antenna 10 transmit signals.
  • the power divider 70 in the frequency divider divides the energy of the signal within the second preset frequency range equally and filters it through the first duplexer 80 and the filter 90, the signal within the second preset frequency range is realized.
  • the frequency division of the signal is to use the power divider 70, the first duplexer 80 and the filter 90 to divide the frequency of the intermediate frequency signal between the high frequency signal and the low frequency signal, so as to avoid covering part of the low frequency signal due to the frequency band of the high frequency signal.
  • the frequency band is used, the signal loss is large, the signal isolation is poor, and the signal impedance does not match.
  • the frequency divider control method obtained by the embodiment of the present disclosure obtains the frequency band of the signal received or transmitted by the transceiver, and controls the first switch unit, the second switch unit, and the third switch according to the frequency band of the signal received or transmitted by the transceiver
  • the conduction state of the unit realizes the frequency division of the signal received or transmitted by the transceiver through the first filter unit and the second filter unit or the frequency division of the signal received or transmitted by the transceiver through the power divider.
  • the first switch unit and the second switch unit are controlled to be turned on, the third switch unit is turned off, and the signal received or transmitted by the transceiver passes through the first filter
  • the unit and the second filter unit carry out frequency division, and when the frequency band of the signal received or transmitted by the transceiver is within the second preset frequency range, the third switch unit is controlled to be turned on, the first switch unit and the second switch unit are turned off, and the transceiver
  • the signal received or transmitted by the receiver is divided by the power divider, so that when the signal is in the first preset frequency range, the first filter unit and the second filter unit are used to divide the frequency of the high frequency band signal and the low frequency band signal.
  • the power divider, the first duplexer and the filter are used to divide the frequency of the signal within the intermediate frequency range, thereby reducing signal loss and improving signal isolation.
  • Fig. 5 is a schematic flowchart of another method for controlling a frequency divider provided by an embodiment of the present disclosure.
  • the embodiment of the present disclosure is based on the above embodiments, as shown in Fig. 5 , after step S10, it also includes:
  • the control when the frequency band of the signal received or transmitted by the transceiver 100 is within the first preset frequency range, the control outputs the first control signal; the frequency band of the signal received or transmitted by the transceiver 100 is within the second preset frequency range , the control outputs the second control signal.
  • the control unit 110 obtains the frequency band of the signal received or transmitted by the frequency divider through the first terminal, and when the control unit 110 receives that the frequency band of the signal received or transmitted by the frequency divider is within the first preset frequency range, the control unit 110 outputs the first control signal, and when the control unit 110 receives that the frequency band of the signal received or transmitted by the frequency divider is within the second preset frequency range, the control unit 110 outputs the second control signal.
  • the frequency divider control method outputs the first control signal or the second control signal according to the frequency band of the signal received or transmitted by the transceiver, and then controls the first switch unit according to the first control signal or the second control signal , the conduction states of the second switch unit and the third switch unit.
  • Fig. 6 is a schematic flowchart of another method for controlling a frequency divider provided by an embodiment of the present disclosure.
  • the embodiment of the present disclosure is based on the embodiment corresponding to Fig. 5, as shown in Fig.
  • the implementation method is:
  • the control unit 110 When the control unit 110 outputs the first control signal, the first switch unit 20 and the second switch unit 30 are controlled to be turned on according to the first control signal, and the third switch unit 40 is turned off.
  • a switch unit 20 and the first filter unit 50 receive or transmit signals and receive or transmit signals through the antenna 10, the second switch unit 30 and the second filter unit 60, therefore, the signal received or transmitted by the transceiver 100 passes through the first filter unit 50 and the second filtering unit 60 for frequency division.
  • step S30 is:
  • the control unit 110 When the control unit 110 outputs the second control signal, the first switch unit 20 and the second switch unit 30 are controlled to be turned off according to the second control signal, and the third switch unit 40 is turned on.
  • the transceiver 100 passes through the antenna 10, the second Three switch units 40, the second end of the power divider 70 and the first duplexer 80 receive or transmit signals and receive or transmit signals through the antenna 10, the third switch unit 40, the third end of the power divider 70 and the filter 90 Therefore, the signal received or transmitted by the transceiver 100 is frequency-divided by the power divider 70 .
  • the first switch unit and the second switch unit are controlled to conduct according to the first control signal , the third switch unit is turned off, the signal received or transmitted by the transceiver is frequency-divided by the first filter unit and the second filter unit, and when the frequency band of the signal received or transmitted by the transceiver is within the second preset frequency range, according to
  • the second control signal controls the third switch unit to turn on, the first switch unit and the second switch unit to turn off, the signal received or transmitted by the transceiver is divided by the power divider, and output according to the frequency band of the signal received or transmitted by the transceiver
  • the first control signal or the second control signal controls the conduction state of the first switch unit, the second switch unit and the third switch unit, so that the signal received or transmitted by the transceiver is divided by the power divider or passed by the first filter unit and the second filtering unit
  • the signal received or transmitted by the transceiver is divided by a power divider, including:
  • the signal received or transmitted by the transceiver passes through the power divider and then outputs the first signal to the first duplexer and the second signal to the filter respectively, and performs frequency division by the first power divider and the filter, wherein the first signal Same energy as the second signal.
  • the first signal is output to the first duplexer 80 and the second signal is output to the filter 90 , and filter through the first duplexer 80 and filter 90 to achieve frequency division of signals located in the second preset frequency range, that is, use the power divider 70, the first duplexer 80 and the filter 90 to
  • the intermediate frequency signal between the high-frequency signal and the low-frequency signal is frequency-divided to avoid problems such as large signal loss, poor signal isolation, and signal impedance mismatch caused by the high-frequency signal frequency band covering part of the low-frequency signal frequency band.
  • steps in the flow charts of FIGS. 4-6 are shown sequentially as indicated by the arrows, these steps are not necessarily executed sequentially in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least some of the steps in Figures 4-6 may include a plurality of sub-steps or stages, these sub-steps or stages are not necessarily performed at the same time, but may be performed at different times, these sub-steps or stages The order of execution is not necessarily performed sequentially, but may be performed alternately or alternately with at least a part of other steps or sub-steps or stages of other steps.
  • a computer device is provided.
  • the computer device may be a terminal device, and its internal structure may be as shown in FIG. 7 .
  • the computer device includes a processor, a memory, a communication interface, a database, a display screen and an input device connected through a system bus.
  • the processor of the computer device is configured as a module providing calculation and control capabilities.
  • the memory of the computer device includes a non-volatile storage medium and an internal memory.
  • the non-volatile storage medium stores an operating system and computer readable instructions.
  • the internal memory provides an environment for the execution of the operating system and computer readable instructions in the non-volatile storage medium.
  • the communication interface of the computer device is configured as a wired or wireless communication module with an external terminal, and the wireless mode can be realized through WIFI, operator network, near field communication (NFC) or other technologies.
  • the method for displaying the preview image provided in the foregoing embodiments can be realized.
  • the display screen of the computer device may be a liquid crystal display screen or an electronic ink display screen
  • the input device of the computer device may be a touch layer covered on the display screen, or a button, a trackball or a touch pad provided on the casing of the computer device , and can also be an external keyboard, touchpad, or mouse.
  • FIG. 7 is only a block diagram of a partial structure related to the disclosed solution, and does not constitute a limitation to the computer equipment on which the disclosed solution is applied.
  • the specific computer equipment can be More or fewer components than shown in the figures may be included, or some components may be combined, or have a different arrangement of components.
  • a computer device comprising a memory and one or more processors, the memory configured to store computer-readable instructions; the computer-readable instructions, when executed by the processor, cause the one or more processors to perform The steps of the methods provided in any one of the embodiments of the present disclosure.
  • the computer equipment provided in this embodiment can implement the method provided in the foregoing method embodiment, and its implementation principle and technical effect are similar, and will not be repeated here.
  • One or more non-volatile storage media storing computer-readable instructions, when the computer-readable instructions are executed by one or more processors, the one or more processors execute the method provided in any one of the embodiments of the present disclosure A step of.
  • the computer-readable instructions stored on the computer-readable storage medium provided in this embodiment can implement the method provided in the above-mentioned method embodiment, and its implementation principle and technical effect are similar, and details are not repeated here.
  • Non-volatile memory may include read-only memory (Read-Only Memory, ROM), magnetic tape, floppy disk, flash memory or optical memory, etc.
  • Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory.
  • RAM Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • the frequency divider, the control method of the frequency divider, the device and the readable storage medium provided by the present disclosure reduce signal loss, improve signal isolation, solve the problem of signal impedance mismatch, and have strong industrial applicability .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

Des modes de réalisation de la présente divulgation concernent un diviseur de fréquence, un procédé de commande pour un diviseur de fréquence, un dispositif, et un support de stockage. Le diviseur de fréquence comprend : une antenne, une première unité de commutation, une deuxième unité de commutation, une troisième unité de commutation, une première unité de filtrage, une seconde unité de filtrage, un diviseur de puissance, un premier duplexeur, un filtre et un émetteur-récepteur ; lorsque la bande de fréquences d'un signal reçu ou émis par l'émetteur-récepteur est à l'intérieur d'une première plage de bande de fréquences prédéfinie, la première unité de commutation et la deuxième unité de commutation sont mises sous tension, la troisième unité de commutation est mise hors tension, et le signal reçu ou émis par l'émetteur-récepteur est soumis à une division de fréquence au moyen de la première unité de filtrage et de la seconde unité de filtrage ; lorsque la bande de fréquences du signal reçu ou émis par l'émetteur-récepteur est dans une seconde plage de bande de fréquences prédéfinie, la troisième unité de commutation est mise sous tension, la première unité de commutation et la deuxième unité de commutation sont mises hors tension, et le signal reçu ou émis par l'émetteur-récepteur est soumis à une division de fréquence au moyen du diviseur de puissance. La perte de signal est réduite, l'isolation du signal est améliorée et le problème de désadaptation de l'impédance du signal est résolu.
PCT/CN2021/116257 2021-07-23 2021-09-02 Diviseur de fréquence, procédé de commande pour diviseur de fréquence, dispositif, et support de stockage WO2023000446A1 (fr)

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